What type of laser should I get next?

3 treatment whit the lux1540 for my flat burn scars and I have not seen any change. just a little bit to texture. it dont look like laser works for me even my doc recommended this type. should I try another type of laser and go to the Same place or go to another Clinique? What laser can I expect? I'm afraid to try another laser and get disappointed. And I'm going back in about 3 weeks. For what should have been my 4th treatment but. The results are discouraging . what should I do?? Thank u.

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